SK123899A3 - Process for purifying caprolactam - Google Patents

Process for purifying caprolactam Download PDF

Info

Publication number
SK123899A3
SK123899A3 SK1238-99A SK123899A SK123899A3 SK 123899 A3 SK123899 A3 SK 123899A3 SK 123899 A SK123899 A SK 123899A SK 123899 A3 SK123899 A3 SK 123899A3
Authority
SK
Slovakia
Prior art keywords
extraction
caprolactam
benzene
carried out
water
Prior art date
Application number
SK1238-99A
Other languages
English (en)
Slovak (sk)
Inventor
Antonius Jacobsus Franc Simons
Zevert Louise Annemarie Groot
Original Assignee
Dsm Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dsm Nv filed Critical Dsm Nv
Publication of SK123899A3 publication Critical patent/SK123899A3/sk

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/16—Separation or purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Pyrrole Compounds (AREA)
SK1238-99A 1997-03-17 1998-03-16 Process for purifying caprolactam SK123899A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE9700230A BE1011047A3 (nl) 1997-03-17 1997-03-17 Werkwijze voor het zuiveren van caprolactam.
PCT/NL1998/000152 WO1998041502A1 (en) 1997-03-17 1998-03-16 Process for purifying caprolactam

Publications (1)

Publication Number Publication Date
SK123899A3 true SK123899A3 (en) 2000-05-16

Family

ID=3890405

Family Applications (1)

Application Number Title Priority Date Filing Date
SK1238-99A SK123899A3 (en) 1997-03-17 1998-03-16 Process for purifying caprolactam

Country Status (22)

Country Link
US (1) US6448395B1 (xx)
EP (1) EP0973736B1 (xx)
JP (2) JP4850320B2 (xx)
KR (1) KR100516987B1 (xx)
CN (1) CN1178910C (xx)
AU (1) AU6525298A (xx)
BE (1) BE1011047A3 (xx)
BG (1) BG103734A (xx)
BR (1) BR9808011B1 (xx)
CA (1) CA2283749A1 (xx)
CO (1) CO5050408A1 (xx)
CZ (1) CZ295530B6 (xx)
DE (1) DE69824283T2 (xx)
EA (1) EA002172B1 (xx)
ES (1) ES2222580T3 (xx)
GE (1) GEP20002239B (xx)
ID (1) ID22662A (xx)
MY (1) MY126792A (xx)
PL (1) PL189095B1 (xx)
SK (1) SK123899A3 (xx)
TW (1) TW379211B (xx)
WO (1) WO1998041502A1 (xx)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4182273B2 (ja) * 2000-06-27 2008-11-19 住友化学株式会社 ε−カプロラクタムの製造方法
JP4465151B2 (ja) * 2001-03-01 2010-05-19 ディーエスエム アイピー アセッツ ビー．ブイ． 有機溶媒からのカプロラクタムの回収および精製方法
US20040077747A1 (en) * 2002-02-05 2004-04-22 Payne Stephen A. Antimicrobial superfinish and method of making
CN101041445B (zh) * 2006-03-20 2010-08-11 旅顺西沟化工厂 极性溶剂萃取法制取钾盐的方法
CN101786987B (zh) * 2010-03-23 2011-08-17 清华大学 一种己内酰胺萃取设备
KR101907195B1 (ko) * 2015-04-09 2018-10-11 주식회사 엘지화학 폴리알킬렌카보네이트의 정제 방법
CN108211422B (zh) * 2018-04-16 2024-04-26 阳煤集团太原化工新材料有限公司 一种降低苯萃残液中己内酰胺的装置及方法
CN109942492A (zh) * 2019-04-11 2019-06-28 江苏凌瑞化工科技有限公司 一种己内酰胺精制工艺
CN115253380B (zh) * 2022-08-19 2023-09-01 清元智能科技研究院(湖北)有限公司 一种己内酰胺萃取系统和方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3485820A (en) * 1966-08-15 1969-12-23 Vickers Zimmer Ag Process for the purification of epsilon-caprolactam
US3485821A (en) * 1967-05-29 1969-12-23 Techni Chem Co The Process for preparing caprolactam and its alkyl substituted derivatives
FR2005035A1 (xx) * 1968-03-29 1969-12-05 Basf Ag
US3761467A (en) * 1971-02-11 1973-09-25 Allied Chem Recovery of epsilon-caprolactam
BE790692A (fr) * 1971-10-29 1973-04-27 Stamicarbon Procede d'obtention de lactames purs
IT956940B (it) * 1972-06-28 1973-10-10 Snia Viscosa Procedimento per l estrazione di lattami da miscele acide di rea zione
JPS4935391A (xx) * 1972-08-05 1974-04-01
NL7505130A (nl) * 1975-05-01 1976-11-03 Stamicarbon Werkwijze voor de winning van zuiver epsilon- -caprolactam uit een waterige oplossing hiervan.
DE2641449B2 (de) * 1976-09-15 1980-07-31 Bayer Ag, 5090 Leverkusen Verfahren zur Reinigung einer Lösung von e-Caprolactam
NL7713349A (nl) * 1977-12-02 1979-06-06 Stamicarbon Werkwijze voor het winnen van 2-pyrrolidon.
DE3820737A1 (de) * 1988-06-18 1989-12-21 Basf Ag Verfahren zur gewinnung von caprolactam aus waessrigen loesungen durch extraktion
DE3843793A1 (de) * 1988-12-24 1990-07-05 Basf Ag Verfahren zur herstellung von caprolactam
BE1007298A3 (nl) * 1993-07-19 1995-05-09 Dsm Nv Werkwijze voor het zuiveren van een water-epsilon-caprolactam mengsel.
TW420662B (en) * 1996-02-17 2001-02-01 Du Pont Recovery of <epsilon>-caprolactam

Also Published As

Publication number Publication date
EP0973736B1 (en) 2004-06-02
CN1255120A (zh) 2000-05-31
BE1011047A3 (nl) 1999-04-06
BR9808011B1 (pt) 2011-10-18
PL335737A1 (en) 2000-05-08
US6448395B1 (en) 2002-09-10
KR20000076356A (ko) 2000-12-26
PL189095B1 (pl) 2005-06-30
TW379211B (en) 2000-01-11
CZ295530B6 (cs) 2005-08-17
CZ328099A3 (cs) 2000-02-16
JP2001515506A (ja) 2001-09-18
DE69824283D1 (de) 2004-07-08
MY126792A (en) 2006-10-31
KR100516987B1 (ko) 2005-09-26
CA2283749A1 (en) 1998-09-24
BR9808011A (pt) 2000-03-08
DE69824283T2 (de) 2005-06-23
EA199900833A1 (ru) 2000-04-24
ES2222580T3 (es) 2005-02-01
GEP20002239B (en) 2000-09-25
BG103734A (en) 2001-05-31
CN1178910C (zh) 2004-12-08
AU6525298A (en) 1998-10-12
CO5050408A1 (es) 2001-06-27
ID22662A (id) 1999-12-02
EA002172B1 (ru) 2002-02-28
JP2010159261A (ja) 2010-07-22
EP0973736A1 (en) 2000-01-26
WO1998041502A1 (en) 1998-09-24
JP4850320B2 (ja) 2012-01-11

Similar Documents

Publication Publication Date Title
JP2010159261A (ja) カプロラクタムの精製法
JP2001510465A (ja) ２，４，６，８，１０，１２−ヘキサニトロ−２，４，６，８，１０，１２−ヘキサアザテトラシクロ［５．５．０．０▲上５．９▼０▲上３．１１▼］−ドデカンを結晶化させる塩析法
US6149887A (en) Method and apparatus for degassing sulfur
RU2002731C1 (ru) Способ замены диспергирующей среды в суспензии терефталевой кислоты
EP2906315B1 (en) A liquid-liquid extraction system and process for use thereof
US5872288A (en) Process for producing (meth) acrylic acid
US11725014B2 (en) Continuous process for cycloaddition reactions
US3957859A (en) Process for the production of aromatic sulfonates
EP0058074A1 (en) Liquid-liquid contacting process
DE69631878T2 (de) Clavulansäure extraktionsverfahren
JPS6236022B2 (xx)
MXPA99008578A (en) Process for purifying caprolactam
TW201350463A (zh) 純化由肟之合成部所獲得之有機產物溶液的方法
JPH11349523A (ja) 酢酸回収方法
JPH11246470A (ja) 酢酸回収方法
JPS6354957A (ja) アジピン酸の精製法